Upright vacuum cleaner



FIG. 1 is perspective view of a first embodiment of an upright vacuum cleaner showing our new design;

FIG. 2 is a front elevational view of the vacuum cleaner of FIG. 1;

FIG. 3 is a right side elevational view of the vacuum cleaner of FIG. 1;

FIG. 4 is a left side elevational view of the vacuum cleaner of FIG. 1;

FIG. 5 is a rear elevational view of the vacuum cleaner of FIG. 1;

FIG. 6 is a top plan view of the vacuum cleaner of FIG. 1; and,

FIG. 7 is a bottom plan view of the vacuum cleaner of FIG. 1.

The details shown in broken lines in FIGS. 1-6 are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an upright vacuum cleaner, as shown and described. 